Gheisari, Y., A. Ghafur Ahmad., 2010. Component of graphs from diagram groups over the union of two semigroup presentation with three different initial generators by adding new relation.Journal of International Mathematical Forum.5(62), 3053-3058( Impact factor 0.235).

Gheisari, Y., A. Ghafur Ahmad., 2010. General polynomial for component of graphs from diagram group of semigroup presentation P= .Journal of Advances and Applications in Mathematical Sciences2(3), 123-130.

Gheisari, Y., A. Ghafur Ahmad., 2011. Spanning trees for 2-complexes from fundamental group over union of two semigroup presentation of integers using lifting method. JP Journal of Algebra, Number Theory & Applications. To appear(Scopus).

Gheisari, Y., A. Ghafur Ahmad., 2009. Lift of generators in graphs of diagram group over semigroup presentationp=.The IMT-GT international conference on Mathematics and statistics and applications. Bukittinggi, Indonesia. 11-14

Gheisari, Y., A. Ghafur Ahmad., 2009. Lift of generators in graphs of diagram group from semigroup with presentation p=. The international conference of mathematical and applications, ICMA-MU Bangkok, Thailand. 175-180

Gheisari, Y., Lift of spanning trees of 2-complexes from diagram groups over the construction of semigroup presentation of integers.First scientific conference of Iranian students in Malaysia.IRAN Embassy in Malaysia

Submitted papers

Gheisari Y., A. Ghafur Ahmad., Generators and spanning trees in graphs from diagram groups over the semigroup presentations of integers using lifting method. Submitted to the Journal of Korean Mathematics Society.

Gheisari Y., A. Ghafur Ahmad., and Kamel. Generators in graphs of diagram groups over the semigroup presentations of integers with three initial generators using lifting method. Submitted to the Journal of Sains Malaysiana.

Gheisari Y., A. Ghafur Ahmad., and A. Bodaghi., Lift of generators for 2-complexes from fundamental groups over the semigroup presentations of integers. Submitted to the Chamchuri Journal of Mathematics.

Gheisari, Y.,Bodaghi A., Algebra on diagram groups over the semigroup presentations of integers.Submitted to the Comptes rendus Mathematique.

Gheisari Y., A. Ghafur Ahmad., Lift of generators in graphs from diagram groups over the semigroup presentations of integers with three initial generators. Submitted to the Indian Journal of Pure and Applied Mathematics.